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      1. 

        
  
        
    
    
        
      
        
        
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        3,4-Dihydroxy Benzoic Acid Potassium Salt
        
        
        
          
        Structure: 
        
          
        Appearance: White   Crystalline Powder
        
          
        Content: 98-101%
        
          
        Moisture: ≤1.5%
        
          
        Melting Point: 201-203°C
        
          
        Clarity of Solution: Clear   (by Methanol)
        
          
        Heavy Metal: ≤ 20PPM